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    Modbus RTU 4 Channel Relay Module with RS485/TTL UART, 1 Input 1 Output, 7-24V Anti-Reverse Protection for Industrial Home Automation

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    • Product description Product Parameter 1. Onboard module: Onboard SPP_C Blue tooth-compatible serial slave module, 2. With wireless control function 3. Onboard relay: 12V, 10A/250V AC, 10A/30V DC relay,long relay life, can be continuously pulled in 100,000 times 4. Diode efflux protection: with diode efflux protection, short response time 5. On-board indicator: Blue tooth-compatible status indicator (slow flashing when not connected, long light after connection) and relay status indicator (lights up after closing 6. Control distance: 10m (open environment) 7. Follow the specification: follow the Blue tooth-compatible 2.1 +EDR specification 8. Working voltage: DC 12V 9. DC control maximum voltage: DC 30V 10. Maximum voltage for AC control: AC 250V Blue tooth-compatible wireless control Long relay life with 100,000 cycles Diode efflux protection for quick response 10m control distance Blue tooth status indicator for connection status Operates at DC 12V Onboard SPP_C Blue tooth-compatible module Supports DC control up to 30V Relay rated at 12V, 10A/250V AC, 10A/30V DC Relay status indicator for operational status Input positive and negative terminals Supports AC control up to 250V Relay normally closed and open interfaces Hexadecimal relay command options Relay Mdoule IN+: input positive IN-: input negative NC: Relay normally closed 0 N0: Relay normally open interface COM: public Open relay command: A0 01 01 A2 (sent in hexadecimal) Close relay command: A0 01 00 A1 (sent in 16 he
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    **Versatile
    Control**: With Bluetooth-compatible wireless control up to 10 meters, manage your home or industrial automation systems effortlessly. Connect easily with your mobile phone and enjoy reliable, hands-free operation.;
    **Robust and Reliable**: Equipped with a high-capacity 12V relay that supports up to 10A/250V AC and 10A/30V DC, this module is designed to handle demanding electrical loads with ease, ensuring long-term durability with over 100, 000 activation cycles.;
    **Safety First**: Built-in diode efflux protection and anti-reverse power protection shield your devices from electrical mishaps, providing peace of mind with every use.;
    **Easy Integration**: Compatible with both RS485 and TTL UART interfaces, this relay module seamlessly integrates into a wide range of systems, offering flexibility for diverse automation projects.;
    **Clear Status Indicators**: Stay informed with LED indicators for Bluetooth connection and relay status, ensuring you always know when your system is ready and operational.

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